diff options
Diffstat (limited to 'vnet/vnet/l2/feat_bitmap.c')
| -rw-r--r-- | vnet/vnet/l2/feat_bitmap.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/vnet/vnet/l2/feat_bitmap.c b/vnet/vnet/l2/feat_bitmap.c deleted file mode 100644 index 6c046467f2c..00000000000 --- a/vnet/vnet/l2/feat_bitmap.c +++ /dev/null @@ -1,185 +0,0 @@ -/* - * feat_bitmap.c: bitmap for managing feature invocation - * - * Copyright (c) 2013 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <vlib/vlib.h> -#include <vnet/vnet.h> -#include <vnet/pg/pg.h> -#include <vnet/ethernet/ethernet.h> -#include <vnet/ethernet/packet.h> -#include <vlib/cli.h> -#include <vnet/l2/l2_input.h> -#include <vnet/l2/feat_bitmap.h> - -#include <vppinfra/error.h> -#include <vppinfra/hash.h> -#include <vppinfra/cache.h> - - -/* - * Drop node for feature bitmaps - * For features that just do a drop, or are not yet implemented. - * Initial feature dispatch nodes don't need to set b0->error - * in case of a possible drop because that will be done here. - *The next node is always error-drop. - */ - -static vlib_node_registration_t feat_bitmap_drop_node; - -#define foreach_feat_bitmap_drop_error \ -_(NO_FWD, "L2 feature forwarding disabled") \ -_(NYI, "L2 feature not implemented") - -typedef enum -{ -#define _(sym,str) FEAT_BITMAP_DROP_ERROR_##sym, - foreach_feat_bitmap_drop_error -#undef _ - FEAT_BITMAP_DROP_N_ERROR, -} feat_bitmap_drop_error_t; - -static char *feat_bitmap_drop_error_strings[] = { -#define _(sym,string) string, - foreach_feat_bitmap_drop_error -#undef _ -}; - -typedef enum -{ - FEAT_BITMAP_DROP_NEXT_DROP, - FEAT_BITMAP_DROP_N_NEXT, -} feat_bitmap_drop_next_t; - -typedef struct -{ - u32 feature_bitmap; -} feat_bitmap_drop_trace_t; - -/* packet trace format function */ -static u8 * -format_feat_bitmap_drop_trace (u8 * s, va_list * args) -{ - CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); - CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); - feat_bitmap_drop_trace_t *t = va_arg (*args, feat_bitmap_drop_trace_t *); - - s = - format (s, "feat_bitmap_drop: feature bitmap 0x%08x", t->feature_bitmap); - return s; -} - -static uword -feat_bitmap_drop_node_fn (vlib_main_t * vm, - vlib_node_runtime_t * node, vlib_frame_t * frame) -{ - u32 n_left_from, *from, *to_next; - feat_bitmap_drop_next_t next_index; - - from = vlib_frame_vector_args (frame); - n_left_from = frame->n_vectors; /* number of packets to process */ - next_index = node->cached_next_index; - - while (n_left_from > 0) - { - u32 n_left_to_next; - - /* get space to enqueue frame to graph node "next_index" */ - vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); - - while (n_left_from > 0 && n_left_to_next > 0) - { - u32 bi0; - vlib_buffer_t *b0; - u32 next0; - - /* speculatively enqueue b0 to the current next frame */ - bi0 = from[0]; - to_next[0] = bi0; - from += 1; - to_next += 1; - n_left_from -= 1; - n_left_to_next -= 1; - - b0 = vlib_get_buffer (vm, bi0); - - if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) - && (b0->flags & VLIB_BUFFER_IS_TRACED))) - { - feat_bitmap_drop_trace_t *t = - vlib_add_trace (vm, node, b0, sizeof (*t)); - t->feature_bitmap = vnet_buffer (b0)->l2.feature_bitmap; - } - - if (vnet_buffer (b0)->l2.feature_bitmap == 1) - { - /* - * If we are executing the last feature, this is the - * No forwarding catch-all - */ - b0->error = node->errors[FEAT_BITMAP_DROP_ERROR_NO_FWD]; - } - else - { - b0->error = node->errors[FEAT_BITMAP_DROP_ERROR_NYI]; - } - next0 = FEAT_BITMAP_DROP_NEXT_DROP; - - /* verify speculative enqueue, maybe switch current next frame */ - vlib_validate_buffer_enqueue_x1 (vm, node, next_index, - to_next, n_left_to_next, - bi0, next0); - } - - vlib_put_next_frame (vm, node, next_index, n_left_to_next); - } - return frame->n_vectors; -} - -clib_error_t * -feat_bitmap_drop_init (vlib_main_t * vm) -{ - return 0; -} - -VLIB_INIT_FUNCTION (feat_bitmap_drop_init); - -/* *INDENT-OFF* */ -VLIB_REGISTER_NODE (feat_bitmap_drop_node,static) = { - .function = feat_bitmap_drop_node_fn, - .name = "feature-bitmap-drop", - .vector_size = sizeof (u32), - .format_trace = format_feat_bitmap_drop_trace, - .type = VLIB_NODE_TYPE_INTERNAL, - - .n_errors = ARRAY_LEN(feat_bitmap_drop_error_strings), - .error_strings = feat_bitmap_drop_error_strings, - - .n_next_nodes = FEAT_BITMAP_DROP_N_NEXT, - - /* edit / add dispositions here */ - .next_nodes = { - [FEAT_BITMAP_DROP_NEXT_DROP] = "error-drop", - }, -}; -/* *INDENT-ON* */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |